Pronunciation: (am'boosh), [key]
1. an act or instance of lying concealed so as to attack by surprise: The highwaymen waited in ambush near the road.
2. an act or instance of attacking unexpectedly from a concealed position.
3. the concealed position itself: They fired from ambush.
4. those who attack suddenly and unexpectedly from a concealed position.
to attack from ambush.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.